Home / 20,903,658.67-28,847,048.97-11,736,498.25

Finding the Fourth Proportional to 20,903,658.67, 28,847,048.97 and 11,736,498.25

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Solution

The fourth proportional to 20,903,658.67, 28,847,048.97 and 11,736,498.25 is: 16,196,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,658.67 : 28,847,048.97 = 11,736,498.25 : x
  2. Step 2: Convert to fraction form
    20,903,658.67/28,847,048.97 = 11,736,498.25/x
  3. Step 3: Cross multiply
    20,903,658.67x = 28,847,048.97 × 11,736,498.25
  4. Step 4: Simplify right side
    20,903,658.67x = 338,563,339,754,069.31
  5. Step 5: Solve for x
    x = 338,563,339,754,069.31/20,903,658.67
  6. Step 6: Final answer
    x = 16,196,367.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.